TY  - RPRT
TI  - [Spit cups or "vacu-cup"? Some hygenic views].
AU  - Moller
AU  - R Rolla
AU  - G Rolla
PY  - 1971
UR  - https://pubmed.ncbi.nlm.nih.gov/5280671/
ID  - 5280671
ER  -